Motorcycle swing-arm



FIG. 1 is an isometric view showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational plan view thereof; and,

FIG. 6 is a left side elevational view thereof.

The broken line showing the connector between the two sides of the swing-arm is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a motorcycle swing-arm, as shown and described. 